CN117085896A - Solution coating device for preparing perovskite solar cell film in high precision and large area - Google Patents
Solution coating device for preparing perovskite solar cell film in high precision and large area Download PDFInfo
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- CN117085896A CN117085896A CN202311081858.0A CN202311081858A CN117085896A CN 117085896 A CN117085896 A CN 117085896A CN 202311081858 A CN202311081858 A CN 202311081858A CN 117085896 A CN117085896 A CN 117085896A
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- 239000011248 coating agent Substances 0.000 title claims abstract description 103
- 238000000576 coating method Methods 0.000 title claims abstract description 103
- 239000004579 marble Substances 0.000 claims abstract description 32
- 238000001179 sorption measurement Methods 0.000 claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 239000000243 solution Substances 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 230000003287 optical effect Effects 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 abstract 3
- 229920002799 BoPET Polymers 0.000 abstract 1
- 238000003754 machining Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0254—Coating heads with slot-shaped outlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1015—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to a conditions of ambient medium or target, e.g. humidity, temperature ; responsive to position or movement of the coating head relative to the target
- B05C11/1018—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to a conditions of ambient medium or target, e.g. humidity, temperature ; responsive to position or movement of the coating head relative to the target responsive to distance of target
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/12—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation being performed after the application
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/50—Photovoltaic [PV] devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
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Abstract
The invention belongs to the technical field of solar photovoltaics, and particularly relates to a solution coating device for preparing a perovskite solar cell film in a high-precision large-area manner. The device comprises a main body frame, a motion device, a vacuum pump, a slit coating device, an injection feeding device, a constant air control heating device and the like. The method is characterized in that an ITO glass plate or an ITO/PET film is placed on a marble panel on a moving device, vacuum adsorption equipment is opened, the glass plate/film is adsorbed on the marble panel, an injection feeding device and the moving device are operated, the configured solution seeps out of a slit coating head and is uniformly coated on the glass plate/film, the film is blown dry by a constant air control device, and the film is solidified by a heating device and is attached to a substrate. The device can prepare a large-area perovskite solar cell film with the thickness of 0.2 m; according to the reading of the dial indicator arranged on the coating head, the thickness of the wet film of the film can be accurately controlled within 10 mu m, and the film is thinner and more uniform.
Description
Technical Field
The invention belongs to the technical field of solar photovoltaics, and particularly relates to a solution coating device of a perovskite solar cell film.
Background
The traditional perovskite solar cell slit coating equipment consumes too much solution, the solution is very expensive, the cost of performing one experiment is very high, and the obtained device is very small, so that the requirement of scientific researchers on rapidly pushing experimental results to industrialization cannot be met. However, most of the perovskite solar cell slit coating devices on the market at present have huge use cost and little obtained income, so that development of a high-precision rapid large-area perovskite solar cell slit coating device is urgently needed.
Disclosure of Invention
The invention aims to provide a solution coating device capable of preparing a perovskite solar cell film with high precision and large area so as to solve the problems existing in the prior art.
The invention provides a solution coating device for preparing perovskite solar cell films in a high-precision large-area way, which comprises the following components: comprises a main body frame 13, a motion device, a vacuum pump, a slit coating device, an injection type feeding device and a constant air control heating device; wherein:
the main body frame 13 consists of a steel frame and a steel plate, and the flat steel plate is placed on the steel frame; the steel plate is used for placing and fixing all parts of the device, and the whole main body frame is firm and not easy to deform;
the movement device is arranged on the main body frame 13; the moving device consists of a linear module 1, a supporting plate 2, a vacuum cavity-making plate 3 and a marble adsorption plate 5; the linear module 1 is connected with the supporting plate 2 through screws, the vacuum cavity-making plate 3 is arranged above the supporting plate 2, the supporting plate 2 is connected with the vacuum cavity-making plate 3 through studs 4, and springs are arranged on the studs 4; the spring is used for adjusting the horizontal plane of the vacuum cavity-making plate 3, and the marble adsorption plate 5 is placed on the vacuum cavity-making plate 3; the marble adsorption plate 5 is used for placing a base material, and the base material is completely attached to the marble adsorption plate 5; the marble adsorption plate 5 is provided with a vacuum pump connecting hole, the connecting hole is connected with a vacuum pump through a pipeline, and the vacuum pump is turned on to enable the base material to be stably adsorbed on the marble adsorption plate 5;
the slit coating device comprises a gantry bracket 6, a supporting motor 7, a screw rod 106, a slit coating head 9, a slit coating head mounting plate 101, an optical axis 104, a motor 7, a dial indicator 5 and a spring 109; wherein: the gantry bracket 6 consists of side plates at two sides and a top mounting plate, forms a portal frame, provides support for other components and controls the components to lift;
the motor 7 is arranged on the top plate 108 of the gantry bracket 6 and is arranged in the middle; the motor 7 is connected with the ball screw 106 through an elastic coupling; the ball screw 106 is connected with the head coating mounting plate 101 of the slit coating equipment through a ball nut, the motor 7 controls the lifting of the slit coating head mounting plate 101, and the slit coating head and the slit coating mounting plate 101 are locked by screws;
the number of the optical axes 104 is two, the optical axes are symmetrically arranged left and right and respectively penetrate through two sides of the slit coating head mounting plate 101, and the upper end and the lower end are fixedly arranged in the gantry bracket 3; two optical axes penetrate through two sides of the slit coating head mounting plate 101 to ensure that the slit coating head mounting plate moves vertically up and down;
the two springs 109 are respectively sleeved on the lower end part of the optical axis 104 on the slit coating head mounting plate 101 and used for supporting and buffering the slit coating head mounting plate 101 so as to prevent the motor from being excessively stressed;
the two micrometer 8 are symmetrically arranged at the left and right ends of the upper plane of the slit coating head, and the micrometer 8 is respectively provided with a micrometer 10; the micrometer end of the micrometer is contacted with the upper surface of the slit coating head, and the micrometer is adjusted to apply downward force to the coating head so as to finely adjust the left and right heights of the slit coating head and control the level of the slit coating head; observing the readings of the dial indicator 10 to determine whether the faces of the slit coating head lip and the substrate remain consistent during operation;
the slit coating head mounting plate 101 is provided with a ball screw mounting hole, an optical axis fixing mounting hole, a slit coating head mounting hole, a micrometer mounting hole and a fine adjustment device mounting hole;
the injection feeding device is arranged above the slit coating device and consists of a high-precision injector, an injector clamping device, a pump pipe, a screw rod, a PLC and a touch screen, wherein the liquid feeding speed is set on the touch screen, the injector is placed in the injector clamping device, the screw rod rotates to drive the clamping device to move, and a propelling force is applied to the injector to inject liquid into the slit coating head;
the constant air control heating device is arranged behind the slit coating device; the constant air control heating device consists of a high-precision air knife 11, a connecting rod 12, a high-temperature generator and a blower; the connecting rods 12 are respectively placed on two sides of the linear module 1 and are fixedly connected with the high-precision air knife 11 through screws, and the lower ends of the connecting rods are fixedly connected with the steel plates through linear seats.
The invention provides a high-precision large perovskite solar cell slit coating device, which comprises the following control flow:
(1) Rotating nuts on the studs 4, and adjusting the levelness of the marble vacuum adsorption plate 5 according to the extrusion deformation of the springs; the dial indicator pointers at the two ends of the coating head touch the surface of the marble vacuum adsorption plate 5, click the left movement on the touch screen, and the marble vacuum adsorption plate 5 moves leftwards along with the movement device, so as to observe the reading change condition on the dial indicator until the reading change is within 5 um;
(2) Placing the substrate on the marble adsorption plate 5, turning on the vacuum pump, and adsorbing the substrate on the marble adsorption plate;
(3) The touch screen is used for controlling the motor 7) to lift, the slit coating head is lowered to a distance of 1-2mm away from the substrate, the micrometer at two ends above the rotary coating head enables the coating head to touch the substrate, the indication number of the micrometer is not changed, at the moment, the indication number of the micrometer is normalized to 0, the height difference between the slit coating head opening and the substrate is 0, the micrometer at two ends is rotated for the second time, and the indication numbers of the micrometer at two ends are observed to reach 10um at the same time;
(4) Setting the feeding speed (for example, 25-35 ml/min) of the injection feeding device, setting the running speed (for example, 15-25 mm/s) of the movement device, and starting by clicking;
(5) Observing the lip position of the coating head until liquid seeps out and is connected into a thin line with the width equal to that of the coating head, adjusting the air inflow of the air knife, clicking the operation on the touch screen, simultaneously operating the linear module and the air knife to enable the substrate to move at a certain speed on the X axis, and blowing the air knife to the substrate at a certain air quantity to finish the preparation of the perovskite film.
The device can prepare a large-area perovskite solar cell film with 0.2m, dial gauges are arranged at two ends of a coating head, and the thickness of a wet film of the film can be accurately controlled within 10um according to the reading of the dial gauges, so that the coated film is thinner and more uniform.
The invention solves the problem that the perovskite solar cell in the laboratory can only be used for manufacturing small devices by knife coating, and has great promotion effect on improving the industrialization process of the perovskite solar cell and improving the performance and stability of the devices.
Drawings
Fig. 1 is a schematic structural diagram of a high-precision large-area perovskite solar cell slit coating apparatus of the present invention.
Fig. 2 is a schematic structural view of a slot coating apparatus according to the present invention.
Reference numerals in the drawings: 1 is a linear module, 2 is a supporting plate, 3 is a vacuum cavity-making plate, 4 is a stud, 5 is a marble adsorption plate, 6 is a gantry bracket, 7 is a motor, 8 is a micrometer, 9 is a coating head, 10 is a micrometer, 11 is a high-precision air knife, 12 is a connecting rod, 13 is a main body bracket, 101 is a slit coating head mounting plate, 104 is an optical axis, 106 is a ball screw, 108 is a gantry bracket top plate, and 109 is a spring.
Description of the embodiments
The invention is further described below by way of examples with reference to the accompanying drawings.
The high-precision large-area perovskite solar cell slit coating equipment consists of a main body frame, a moving device, a vacuum pump, a slit coating device, an injection feeding device, a constant air control heating device and the like.
The length, width and height of the main body frame are as follows: 2.6mX0.6mX0.8m is formed by welding 45# steel, a finish machining steel plate is arranged above a steel frame, and the finish machining steel plate is fixedly connected by using screws, so that the flatness and stability of the table top are very reliable.
The motion device, wherein, straight line module 1 whole length 2.6m uses the screw fixation on the steel sheet, set up 4 die blocks on the straight line module 1, use screwed connection with long 1.2 m's special alloy layer board 2, avoid layer board overlength to lead to middle deformation to influence the precision of equipment, set up vacuum cavity plate 3 in layer board 2 top, use screw rod 4 to connect, set up the European spring at screw rod 4, can support vacuum cavity plate 3,1.2 long marble adsorption plate 5 is direct to be placed in the vacuum adsorption plate, use screw fixed connection, use the deflection of nut to adjust the spring, the marble adsorption plate's that can be accurate horizontal precision, the horizontal precision of messenger's base plate reaches 15um.
The slit coating device is formed by machining 50100 aluminum profiles serving as two-side gantry supports 6 and a gantry support top plate 108 through special aluminum alloy and laser welding, wherein the gantry supports 6 and the gantry support top plate (108) are connected through 4 screws to form a gantry, and high-strength support and subsequent precision guarantee are provided for integral equipment.
The motor 7 and the top plate 108 of the gantry bracket are fixedly connected by using screws, and the ball screw 106 and the motor 7 are connected together by using an elastic coupling, so that power can be effectively transmitted. Two optical axes 104 are inserted into the slit coating mounting plate 101, are upwards fixed with the top plate 108 of the gantry bracket through screw connection, are downwards fixed with the steel plate through the shaft fixing seat, and a spring is arranged between the shaft fixing seat and the top plate 108 of the gantry bracket to play a supporting role for the coating head.
The micrometer 10 is respectively arranged above the coating heads and connected with the slit coating head mounting plate 101 by using screws, and the micrometer 8 is arranged at the left end and the right end of the coating heads on the same horizontal plane and connected with the coating heads by using screws.
The wind control heating device is arranged on the right side of the slit coating device and is 5cm away from the slit coating knife edge, the connecting rods 12 are respectively arranged on two sides of the linear module and are fixedly connected with the high-precision wind knife 11 through screws, and the lower ends of the connecting rods are fixedly connected with the steel plate through the linear seat.
The operation and use flow is as follows:
(1) Rotating nuts on the studs 4, adjusting the levelness of the marble vacuum adsorption plate 5 according to the extrusion deformation of the springs, touching dial indicator pointers at two ends of the coating head to the surface of the marble vacuum adsorption plate 5, clicking the left movement on the touch screen, moving the marble vacuum adsorption plate 5 leftwards along with the movement device, and observing the reading change condition on the dial indicator until the reading change is within 5 um;
(2) Placing the substrate on the marble adsorption plate 5, turning on the vacuum pump, and adsorbing the substrate on the marble adsorption plate;
(3) The touch screen is used for controlling the motor 7 to lift, the slit coating head is lowered to a distance of 1-2mm away from the substrate, the micrometer at two ends above the rotary coating head enables the coating head to touch the substrate, the indication number of the micrometer is not changed, at the moment, the indication number of the micrometer is normalized to 0, the height difference between the slit coating head opening and the substrate is 0, the micrometer at two ends is rotated again, and the indication numbers of the micrometer at two ends are observed to reach 10um at the same time;
(4) Setting the feeding speed (for example, 25-35 ml/min) of the injection feeding device, setting the running speed (for example, 15-25 mm/s) of the movement device, and starting by clicking;
(5) Observing the lip position of the coating head until liquid seeps out and is connected into a thin line with the width equal to that of the coating head, adjusting the air inflow of the air knife, clicking the operation on the touch screen, simultaneously operating the linear module and the air knife to enable the substrate to move at a certain speed on the X axis, and blowing the air knife to the substrate at a certain air quantity to finish the preparation of the perovskite film.
Under the setting, a perovskite film with the length of 1.2m and the width of 0.2m can be completed, and the film can reach a relatively uniform thickness.
Claims (3)
1. A solution coating device for preparing a perovskite solar cell film with high precision and large area, which is characterized by comprising: comprises a main body frame, a motion device, a vacuum pump, a slit coating device, an injection type feeding device and a constant air control heating device; wherein:
the main body frame (13) consists of a steel frame and a steel plate, and the flat steel plate is placed on the steel frame; the steel plates are used for placing and fixing various parts of the device;
the movement device is arranged on the main body frame (13); the moving device consists of a linear module (1), a supporting plate (2), a vacuum cavity-making plate (3) and a marble adsorption plate (5); the linear module (1) is connected with the supporting plate (2) through screws, the vacuum cavity-making plate (3) is arranged above the supporting plate (2), the supporting plate (2) is connected with the vacuum cavity-making plate (3) through a stud (4), and a spring is arranged on the stud (4); the spring is used for adjusting the horizontal plane of the vacuum cavity-making plate (3), and the marble adsorption plate (5) is placed on the vacuum cavity-making plate (3); the marble adsorption plate (5) is used for placing a base material, and the base material is completely attached to the marble adsorption plate (5); a vacuum pump connecting hole is arranged on the marble adsorption plate (5), the connecting hole is connected with a vacuum pump through a pipeline, and the vacuum pump is opened to enable the base material to be stably adsorbed on the marble adsorption plate (5);
the slit coating device comprises a gantry bracket (6), a supporting motor (7), a screw rod (106), a slit coating head (9), a slit coating head mounting plate (101), an optical axis (104), a motor (7), a dial indicator (5) and a spring (109); wherein: the gantry bracket (6) consists of side plates at two sides and a top mounting plate, forms a portal frame, provides support for other components and controls the components to lift;
the motor (7) is arranged on the top plate (108) of the gantry bracket (6) and is arranged at the middle position; the motor (7) is connected with the ball screw (106) through an elastic coupling; the ball screw (106) is connected with a head coating mounting plate (101) of the slit coating equipment through a ball nut, the motor (7) controls the lifting of the slit coating head mounting plate (101), and the slit coating head and the slit coating mounting plate (101) are locked by screws;
the two optical axes (104) are symmetrically arranged left and right and respectively penetrate through two sides of the slit coating head mounting plate (101), and the upper end and the lower end are fixed in the gantry bracket (3); the two optical axes penetrate through two sides of the slit coating head mounting plate (101) to ensure that the slit coating head mounting plate moves vertically up and down;
the two springs (109) are respectively sleeved on the lower end part of the optical axis (104) on the slit coating head mounting plate (101) to support and buffer the slit coating head mounting plate (101) so as to avoid overlarge force applied to the motor;
the two micrometer (8) are symmetrically arranged at the left end and the right end of the upper plane of the slit coating head, and the micrometer (8) is respectively provided with a micrometer (10); the micrometer end of the micrometer is contacted with the upper surface of the slit coating head, and the micrometer is adjusted to apply downward force to the coating head so as to finely adjust the left and right heights of the slit coating head and control the level of the slit coating head; observing the indication of the dial gauge (10) to determine whether the lip of the slit coating head and the surface of the substrate are consistent in the running process;
the slit coating head mounting plate (101) is provided with a ball screw mounting hole, an optical axis fixing mounting hole, a slit coating head mounting hole, a micrometer mounting hole and a fine adjustment device mounting hole;
the injection feeding device is arranged above the slit coating device and consists of a high-precision injector, an injector clamping device, a pump pipe, a screw rod, a PLC and a touch screen, wherein the liquid inlet speed is set on the touch screen, the injector is placed in the injector clamping device, the screw rod rotates to drive the clamping device to move, and a propelling force is applied to the injector to inject liquid into the slit coating head;
the constant air control heating device is arranged behind the slit coating device; the constant air control heating device consists of a high-precision air knife (11), a connecting rod (12), a high-temperature generator and a blower; the connecting rods (12) are respectively placed on two sides of the linear module (1) and are fixedly connected with the high-precision air knives (11) through screws, and the lower ends of the connecting rods are fixedly connected with the steel plates through linear seats.
2. The solution coating device for preparing a perovskite solar cell film with high precision and large area according to claim 1, wherein the control flow is as follows:
(1) Rotating nuts on the studs (4) to adjust the levelness of the marble vacuum adsorption plate (5) according to the extrusion deformation of the springs; the dial indicator pointers at the two ends of the coating head touch the surface of the marble vacuum adsorption plate (5), click the left movement on the touch screen, move the marble vacuum adsorption plate (5) leftwards along with the motion device, observe the reading change condition on the dial indicator until the reading change is within 5 um;
(2) Placing the substrate on a marble adsorption plate (5), turning on a vacuum pump, and adsorbing the substrate on the marble adsorption plate;
(3) The method comprises the steps of controlling a motor (7) to lift by using a touch screen, lowering a slit coating head to a distance of 1-2mm from a substrate, rotating micrometer gauges at two ends above the coating head to enable the coating head to touch the substrate, wherein the indication number of the micrometer gauge is not changed, at the moment, returning the indication number of the micrometer gauge to 0, the height difference between a slit coating head opening and the substrate is 0, rotating the micrometer gauges at two ends for the second time, and observing that the indication numbers of the micrometer gauges at two ends reach 10um simultaneously;
(4) Setting the feeding speed of the injection feeding device, setting the running speed of the moving device, and clicking for starting;
(5) Observing the lip position of the coating head until liquid seeps out and is connected into a thin line with the width equal to that of the coating head, adjusting the air inflow of the air knife, clicking the operation on the touch screen, simultaneously operating the linear module and the air knife to enable the substrate to move at a certain speed on the X axis, and blowing the air knife to the substrate at a certain air quantity to finish the preparation of the perovskite film.
3. The solution coating device for preparing the perovskite solar cell film with high precision and large area according to claim 2, wherein the feeding speed of the injection feeding device is 25-35ml/min, and the running speed of the moving device is 15-25mm/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311081858.0A CN117085896A (en) | 2023-08-25 | 2023-08-25 | Solution coating device for preparing perovskite solar cell film in high precision and large area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311081858.0A CN117085896A (en) | 2023-08-25 | 2023-08-25 | Solution coating device for preparing perovskite solar cell film in high precision and large area |
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| CN117085896A true CN117085896A (en) | 2023-11-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118023084A (en) * | 2024-04-11 | 2024-05-14 | 德沪涂膜设备(苏州)有限公司 | Coating device for crystalline silicon perovskite laminated battery |
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2023
- 2023-08-25 CN CN202311081858.0A patent/CN117085896A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118023084A (en) * | 2024-04-11 | 2024-05-14 | 德沪涂膜设备(苏州)有限公司 | Coating device for crystalline silicon perovskite laminated battery |
| CN118023084B (en) * | 2024-04-11 | 2024-06-18 | 德沪涂膜设备(苏州)有限公司 | Coating device for crystalline silicon perovskite laminated battery |
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